![background image](http://html.mh-extra.com/html/cisco/3521/3521_administrators-manual_64813110.webp)
3-48
Administrator’s Guide for Cisco IPVC 3521 BRI Gateway, Cisco IPVC 3526 PRI Gateway, and Cisco IPVC 3540 PRI Gateway
OL-7995-01
Chapter 3 Configuring the Cisco IPVC 3500 Series Gateway
Configuring Gateway Settings
—or—
a.
Choose
Custom
.
b.
Click
Configure
.
The
NSF Configuration
dialog box appears. You can configure up to four NSF information
elements.
Note
You can only configure the NSF information elements (NSF IEs) if you set the
Interface
field in the
Physical Interface
section of the
PRI Port
tabs to
T1
and set the
Country
field
to
US
. All outgoing Q.931 setup messages will contain the NSF IE.
c.
Select the
Enable
check box.
d.
In the
Octet 3
field, choose a value. When the value is greater than 0, that number of fields appears
beneath the Octet 3 field. If this field is set to
0
, the Octet 3.1 and Octets 3.2 fields are not available.
If this field is set to
1
, only the Octet 3.1 field is available.
e.
In the
Octet
field(s), choose settings.
f.
In the
Type
field, choose
Binary
feature
or
Binary service
and then in the
Facility Coding Value
field, enter a value.
—or—
In the
Type
field, choose
Parameterized
and then in the
Parameterized Field
field, enter a value.
—or—
In the
Type
field, choose
Custom
and then in the
Octet 4
and
Octet 5
field (if applicable), enter a
value.
Note
When you select
Binary feature
or
Binary service
in the
Type
field, the
Facility Coding
Value
field is for Octet 4, Bits 5-1. When you select
Parameterized
in the
Type
field, the
Parameterized Field
field is for Octet 5, Bits 7-1. When you select
Custom
in the
Type
field, the values entered in the
Octet 4
or
Octet 5
fields are not subject to bit restriction.
g.
Repeat steps a-f for as many additional NSF information elements as necessary.
AT&T A SDVG
4
A1
32
38
38
E6
0
49
0F
AT&T M SDVG
4
A1
32
38
38
E3
0
49
0F
AT&T Megacom 800 +
SDVG
4
A1
32
38
38
E2
0
49
0F
AT&T SDDN + SDVG
4
A1
32
38
38
E1
0
49
0F
MCI VNET
4
A9
32
32
32
E1
Sprint VPN
4
A9
33
33
33
E1
Table 3-17
Pre-configured NSF Settings
Pre-configured Setting
Information Element (IE) Octets
IE 1 Octets
IE 2 Octets
3
3.1
3.2
3.2
3.2
4
3
4
5
Содержание 3521
Страница 137: ......